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我从https://github.com/mono/monotouch-bindings下载并构建了 facebook-binding 身份验证有效，但是当我尝试将某些内容发布到我的墙上时，我遇到了本地崩溃。在“发布到墙上”对话框出现后，当我单击“取消”以及单击“共享”时，应用程序崩溃。实际帖子已成功发布到我的墙上，但崩溃不是很有趣:)

这是本机堆栈跟踪：

在 (wrapper managed-to-native) MonoTouch.UIKit.UIApplication.UIApplicationMain (int,string[],intptr,intptr) 在 MonoTouch.UIKit.UIApplication.Main (string[],string,string) [0x00042] 在 /Developer /MonoTouch/Source/monotouch/src/UIKit/UIApplication.cs:29 at sample.AppDelegate.Main (string[]) [0x00000] in /Users/fusonic/Projects/facebook/sample/Main.cs:263 at (wrapper运行时调用) .runtime_invoke_void_object (object,intptr,intptr,intptr)

0   sample                              0x0009e72c mono_handle_native_sigsegv + 284
1   sample                              0x00013ab8 mono_sigsegv_signal_handler + 248
2   libSystem.B.dylib                   0x9474805b _sigtramp + 43
3   ???                                 0xffffffff 0x0 + 4294967295
4   sample                              0x000094f3 -[FBDialog webView:shouldStartLoadWithRequest:navigationType:] + 735
5   UIKit                               0x0115b8d4 -[UIWebView webView:decidePolicyForNavigationAction:request:frame:decisionListener:] + 222
6   UIKit                               0x0115d59e -[UIWebViewWebViewDelegate webView:decidePolicyForNavigationAction:request:frame:decisionListener:] + 77
7   CoreFoundation                      0x0219551d __invoking___ + 29
8   CoreFoundation                      0x02195437 -[NSInvocation invoke] + 167
9   CoreFoundation                      0x021c049a -[NSInvocation invokeWithTarget:] + 74
10  WebKit                              0x06b43aa4 -[_WebSafeForwarder forwardInvocation:] + 164
11  CoreFoundation                      0x021960c9 ___forwarding___ + 889
12  CoreFoundation                      0x02195ce2 _CF_forwarding_prep_0 + 50
13  CoreFoundation                      0x0219551d __invoking___ + 29
14  CoreFoundation                      0x02195437 -[NSInvocation invoke] + 167
15  WebCore                             0x076e3ae3 _ZL11SendMessageP12NSInvocation + 35
16  WebCore                             0x076e4115 _ZL20HandleDelegateSourcePv + 101
17  CoreFoundation                      0x0220397f __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 15
18  CoreFoundation                      0x02166b73 __CFRunLoopDoSources0 + 243
19  CoreFoundation                      0x02166454 __CFRunLoopRun + 1012
20  CoreFoundation                      0x02165db4 CFRunLoopRunSpecific + 212
21  CoreFoundation                      0x02165ccb CFRunLoopRunInMode + 123
22  GraphicsServices                    0x03e95879 GSEventRunModal + 207
23  GraphicsServices                    0x03e9593e GSEventRun + 114
24  UIKit                               0x00fa5a9b UIApplicationMain + 1175
25  ???                                 0x0d080a05 0x0 + 218630661
26  ???                                 0x09ffaf18 0x0 + 167751448
27  ???                                 0x09ffac10 0x0 + 167750672
28  ???                                 0x09ffad66 0x0 + 167751014
29  sample                              0x00017e22 mono_jit_runtime_invoke + 722
30  sample                              0x00177d2e mono_runtime_invoke + 126
31  sample                              0x0017be14 mono_runtime_exec_main + 420
32  sample                              0x00181235 mono_runtime_run_main + 725
33  sample                              0x00075025 mono_jit_exec + 149
34  sample                              0x00010d2f main + 2202
35  sample                              0x0000d5a9 start + 53
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1 回答 1

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好的，问题是因为 GC 正在收集 Handler Delegate。当保持对委托的引用时，该示例有效。

修复可以在这里找到：https ://github.com/mono/monotouch-bindings/pull/46

于 2012-05-11T13:59:16.583 回答